​
What it does

  • Extracts full video transcripts as text
  • Supports multiple languages when available
  • Works with any public YouTube video URL

​
Pricing

**0.002perrequest∗∗(0.002 per request** (2 per 1,000 requests)

​
Authentication

Include your API key in the Authorization header: 
Authorization: Bearer YOUR_LLMLAYER_API_KEY

​
Endpoint

POST /api/v1/youtube_transcript

​
SDK Usage

from llmlayer import LLMLayerClient

client = LLMLayerClient(api_key="your-api-key")

# Get transcript (default language)
response = client.get_youtube_transcript(
url="https://www.youtube.com/watch?v=dQw4w9WgXcQ"
)

print(response.transcript)

# Get transcript in specific language
response = client.get_youtube_transcript(
url="https://www.youtube.com/watch?v=dQw4w9WgXcQ",
language="es"
)

print(response.transcript)

# Save to file
with open('transcript.txt', 'w', encoding='utf-8') as f:
f.write(response.transcript)

​
Request Parameters

​
url
string
required
The YouTube video URLSupported formats:
  • https://www.youtube.com/watch?v=VIDEO_ID
  • https://youtu.be/VIDEO_ID
​
language
string
Language code for the transcript (e.g., “en”, “es”, “fr”)If not specified, returns the default transcript

​
Response

​
transcript
string
The full transcript text of the video
​
url
string
The YouTube video URL
​
language
string
The language code used for the transcript
​
cost
number
Cost in USD ($0.001)

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Language Codes

Common language codes:
  • en - English
  • es - Spanish
  • fr - French
  • de - German
  • pt - Portuguese
  • it - Italian
  • ja - Japanese
  • ko - Korean
  • zh - Chinese

​
Limitations

  • Video must be public (not private or age-restricted)
  • Video must have captions/subtitles available
  • Requested language may not be available for all videos
  • Live streams may not have transcripts
  • Subject to rate limits based on your plan

​
Error Codes

Need Help? Join our Discord or email support@llmlayer.ai